Arsenic in Espanola, NM Drinking Water
Arsenic data for Espanola, New Mexico · 19,522 residents · 2 ZIP codes
ZipCheckup's reading of Arsenic in Espanola, New Mexico: the highest detected level is 10 ppb; the EPA limit is 10 ppb. Arsenic carries a high health-risk designation.
Over the past reporting period, water systems in Espanola, New Mexico have recorded Arsenic at detectable concentrations in EPA compliance samples.
Data: EPA SDWIS, CCR Reports, ECHO Last verified: 2026-07-13
Arsenic in Espanola Tap Water
Arsenic has been detected in Espanola, New Mexico drinking water at a maximum level of 10 ppb — below the EPA MCL of 10 ppb.
This analysis covers 19,522 residents across 2 ZIP codes in Espanola.
Espanola's overall water quality grade is C (68/100).
Is Arsenic in Espanola Water Safe?
If you live in an affected ZIP code, consider installing a reverse osmosis filter certified under NSF 53 / NSF 58 and testing your water independently.
Arsenic Levels by ZIP Code
Average arsenic level across Espanola: 10 ppb
EPA Violations for Arsenic in Espanola
| Date | Violation Type | Status | ZIP Code |
|---|---|---|---|
| 2025-07-01 | Arsenic (Known) | Known | 87532 |
| 2025-04-01 | Arsenic (Known) | Known | 87532 |
| 2025-01-01 | Arsenic (Known) | Known | 87532 |
| 2024-10-01 | Arsenic (Known) | Known | 87532 |
Health Effects of Arsenic
- Increased risk of skin, bladder, lung, and kidney cancer
- Cardiovascular disease and type 2 diabetes
- Skin changes (darkening, thickening, lesions)
- Developmental effects in children exposed in utero
Health risk severity: High. Governed by the Arsenic Rule (2006).
How Arsenic Gets Into Drinking Water
- Natural deposits in rock and soil (especially in western U.S.)
- Runoff from orchards and glass/electronics production
- Historical use of arsenic-based pesticides
- Well water in areas with arsenic-rich geology
What to Do About Arsenic in Espanola Water
- Install a reverse osmosis (RO) system certified under NSF 58
- Adsorptive media filters (iron-based) can also reduce arsenic
- Have well water tested if on a private supply
- Boiling water does NOT remove arsenic — it concentrates it
Look for filters certified under NSF 53 / NSF 58 for arsenic removal.